I Trust Gapontsev Valentin

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
IPGP $39.95 38,880 Large Shareholder 7,930,000 2011-12-06 Filing
IPGP $41.29 28,859 Large Shareholder 7,968,880 2011-12-05 Filing
IPGP $41.44 2,261 Large Shareholder 7,997,739 2011-12-02 Filing